CN212839436U

CN212839436U - High-efficient sealed butterfly valve

Info

Publication number: CN212839436U
Application number: CN202021231491.8U
Authority: CN
Inventors: 付英鑫
Original assignee: Henan High And Medium Pressure Valve Co ltd
Current assignee: Henan High And Medium Pressure Valve Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-30
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a high-efficient sealed butterfly valve relates to the valve field, including valve body and reducing gear box, the inside vertical butterfly plate that is equipped with of valve body, the vertical grafting in middle part of valve body has the pivot, butterfly plate fixed mounting is in the pivot, the top of pivot and the output fixed connection of reducing gear box, the top of reducing gear box is equipped with the motor, the output of motor and the input fixed connection of reducing gear box, the edge of butterfly plate is equipped with the metal ring, the arc wall has been seted up to the internal surface of valve body, is equipped with the rubber pad on the arc wall. The utility model discloses a set up the arc wall on the valve body, the edge of butterfly plate adds establishes metal ring, and when the valve was closed, metal ring got into the inside and the rubber pad laminating setting of arc wall, and surface edge all can not have the gap around the butterfly plate, ensures the sealed effect between butterfly plate and the valve body, has promoted the sealing performance of device greatly.

Description

High-efficient sealed butterfly valve

Technical Field

The utility model relates to a valve field, in particular to high-efficient sealed butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, which can be used for the on-off control of low-pressure pipeline media, and is a valve that the closing part (valve clack or butterfly plate) is a disc and rotates around the valve shaft to open and close, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like, and mainly plays the roles of cutting and throttling on the pipeline, the butterfly valve opening and closing part is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, thereby achieving the purposes of opening, closing and regulating.

Therefore, it is necessary to provide a high-efficiency sealing butterfly valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient sealed butterfly valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient sealed butterfly valve, includes valve body and reducing gear box, the inside of valve body is vertical to be equipped with the butterfly plate, the vertical grafting in middle part of valve body has the pivot, butterfly plate fixed mounting is in the pivot, the top of pivot and the output fixed connection of reducing gear box, the top of reducing gear box is equipped with the motor, the output of motor and the input fixed connection of reducing gear box, the edge of butterfly plate is equipped with the metal ring, the arc wall has been seted up to the internal surface of valve body, is equipped with the rubber pad on the arc wall, and when the butterfly plate was in the closed condition, the edge and the rubber pad laminating of metal ring are connected.

Optionally, the reduction gearbox is fixedly mounted in the middle of the upper part of the valve body through a plurality of fixing rods.

Optionally, a worm gear driving device is arranged on the reduction gearbox, and a handle is fixedly connected to the input end of the worm gear driving device.

The setting of handle, under special situation, suppose the motor outage, the twist grip opens the butterfly plate and closes, as the emergent structure of device, and the limitation is little.

Optionally, when the butterfly plate is in a closed state, the edge of the front side surface of the butterfly plate is fitted with a limiting arc, and the limiting arc is arranged on the left side of the inner surface of the valve body.

The butterfly plate is limited in closing due to the arrangement of the limiting arcs, the rotation angle is prevented from exceeding 90 degrees when the butterfly plate is closed in a rotating mode, the structure is simple, and the practicability is high.

Optionally, the edges of the front and rear surfaces of the valve body are provided with connecting flanges.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the arc wall on the valve body, the edge of butterfly plate adds establishes metal ring, and when the valve was closed, metal ring got into the inside and the rubber pad laminating setting of arc wall, and surface edge all can not have the gap around the butterfly plate, ensures the sealed effect between butterfly plate and the valve body, has promoted the sealing performance of device greatly.

2. The utility model discloses a set up reducing gear box and motor, utilize motor drive device's butterfly plate to realize opening and closing, the function of motor can realize that the device opens the valve fast or closes the valve, and the function is efficient to it closes the valve to have reduced the manpower greatly, and convenient to use is swift.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure diagram of the valve body half-section of the utility model.

Fig. 3 is the structure diagram of the valve body half-section of the utility model.

In the figure: 1. a valve body; 2. a reduction gearbox; 3. a motor; 4. a worm gear drive; 5. a handle; 6. a rotating shaft; 7. a butterfly plate; 8. limiting an arc; 9. a connecting flange; 10. a metal ring; 11. an arc-shaped slot; 12. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a high-efficiency sealing butterfly valve as shown in figures 1-3, which comprises a valve body 1 and a reduction box 2, wherein the reduction box 2 is fixedly arranged at the middle part above the valve body 1 through a plurality of fixed rods, a butterfly plate 7 is vertically arranged inside the valve body 1, a rotating shaft 6 is vertically inserted in the middle part of the valve body 1, the butterfly plate 7 is fixedly arranged on the rotating shaft 6, the top end of the rotating shaft 6 is fixedly connected with the output end of the reduction box 2, a motor 3 is arranged above the reduction box 2, the output end of the motor 3 is fixedly connected with the input end of the reduction box 2, when the butterfly plate 7 is opened and closed, the motor 3 is started, the positive and negative rotation of the motor 3 drives the rotating shaft 6 to rotate through the reduction box 2, the rotating shaft 6 drives the butterfly plate 7 to rotate positively and negatively, the butterfly plate 7 is opened and closed, the butterfly plate 7 is driven by, the operation efficiency is high, the manual labor is greatly saved, the valve is closed, the use is convenient and rapid, the worm wheel driving device 4 is arranged on the reduction gearbox 2, the input end of the worm wheel driving device 4 is fixedly connected with the handle 5, the handle 5 is arranged, under special conditions, if the power of the motor 3 is cut off, the handle 5 is rotated, the handle 5 provides power for the rotating shaft 6 through the worm wheel driving device 4, the rotating shaft 6 drives the butterfly plate 7 to rotate to open or close, as an emergency structure of the device, the limitation is small, when the butterfly plate 7 is in a closed state, the edge of the front side surface of the butterfly plate 7 is attached with the limiting arc 8, the limiting arc 8 is arranged on the left side of the inner surface of the valve body 1, the upper edge and the lower edge of the limiting arc 8 do not exceed the middle part of the valve body 1, the limiting arc 8 is arranged to limit the closing of the butterfly plate, the practicality is strong, the edge of butterfly plate 7 is equipped with metal ring 10, arc wall 11 has been seted up to valve body 1's internal surface, be equipped with rubber pad 12 on the arc wall 11, when butterfly plate 7 is in the closed condition, metal ring 10's edge is connected with the 12 laminating of rubber pad, there is not the gap in butterfly plate 7's front and back surface edge all, ensure the sealed effect between butterfly plate 7 and the valve body 1, the sealing performance of device has been promoted greatly, surface border department all is equipped with flange 9 around the valve body 1 for the device is connected with the body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high-efficient sealed butterfly valve, includes valve body (1) and reducing gear box (2), its characterized in that: the novel butterfly valve is characterized in that a butterfly plate (7) is vertically arranged inside the valve body (1), a rotating shaft (6) is vertically inserted in the middle of the valve body (1), the butterfly plate (7) is fixedly installed on the rotating shaft (6), the top end of the rotating shaft (6) is fixedly connected with the output end of the reduction gearbox (2), a motor (3) is arranged above the reduction gearbox (2), the output end of the motor (3) is fixedly connected with the input end of the reduction gearbox (2), a metal circular ring (10) is arranged at the edge of the butterfly plate (7), an arc-shaped groove (11) is formed in the inner surface of the valve body (1), a rubber pad (12) is arranged on the arc-shaped groove (11), and when the butterfly plate (7) is in a closed state, the edge of the metal circular ring (10) is connected with.

2. A high efficiency sealing butterfly valve in accordance with claim 1, wherein: the reduction gearbox (2) is fixedly arranged in the middle of the upper part of the valve body (1) through a plurality of fixing rods.

3. A high efficiency sealing butterfly valve in accordance with claim 1, wherein: a worm gear driving device (4) is arranged on the reduction gearbox (2), and a handle (5) is fixedly connected with the input end of the worm gear driving device (4).

4. A high efficiency sealing butterfly valve in accordance with claim 1, wherein: when the butterfly plate (7) is in a closed state, the edge of the front side face of the butterfly plate (7) is provided with a limiting arc (8) in an attaching mode, and the limiting arc (8) is arranged on the left side of the inner surface of the valve body (1).

5. A high efficiency sealing butterfly valve in accordance with claim 1, wherein: and the edges of the front surface and the rear surface of the valve body (1) are provided with connecting flanges (9).